Angiospermae - Cornales - Nyssaceae
Synonym: Davidiaceae
Parent taxon: Cornales according to The Angiosperm Phylogeny Group 2016
See also Chandler 1961, Chandler 1962, Chandler 1963, MacGinitie 1941 and Wolfe and Wehr 1987
Sister taxa: Alangiaceae, Cornaceae, Curtisiaceae, Grubbiaceae, Hydrangeaceae, Hydrostachyaceae, Loasaceae
Subtaxa: Camptotheca Davidoidea Lucknowia Nyssa Nyssites Nyssoidea Nyssoxylon Palaeonyssa Paleodavidia Protonyssa Pseudonyssa Tsukada
Ecology: "photoautotroph"
Distribution:
• Quaternary of United States (3: North Carolina, Virginia collections)
• Pliocene of Germany (5), Japan (1), Portugal (9), United States (1: Florida)
• Miocene to Pliocene of France (1), Japan (1)
• Miocene of Azerbaijan (2), Germany (54), India (1), Japan (2), the Russian Federation (4), United States (14: California, Idaho, Maryland, Massachusetts, Nebraska, Vermont, Virginia)
• Oligocene to Miocene of Germany (1), United States (1: Maryland)
• Oligocene of Azerbaijan (1), Germany (15), Japan (1), Puerto Rico (5), the Russian Federation (8), the United Kingdom (1), United States (2: Montana, Virginia)
• Eocene of Canada (1: British Columbia), Germany (1), Romania (1), the United Kingdom (7), United States (10: California, Colorado, Missouri, Oregon, Virginia, Washington)
• Clarkforkian of United States (3: Wyoming)
• Paleocene to Eocene of Belgium (1)
• Tertiary of Japan (1)
• Paleocene of United States (17: Colorado, Montana, North Dakota, Wyoming)
• Cretaceous of United States (1: Texas)
Total: 176 collections including 205 occurrences